package com.ktc.user.service;

import java.util.*;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang.RandomStringUtils;
import org.springframework.amqp.rabbit.core.RabbitMessagingTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;
import util.IdWorker;
import com.ktc.user.dao.UserDao;
import com.ktc.user.pojo.User;

/**
 * @author admin
 * @Description 用户 服务层
 * @date 2021-04-15 11:06:25
 */
@Service
public class UserService {

    @Autowired
    private UserDao userDao;

    @Autowired
    private IdWorker idWorker;

    @Autowired
    private BCryptPasswordEncoder encoder;
    /**
     * 查询全部列表
     *
     * @return
     */
    public List<User> findAll() {
        return userDao.findAll();
    }

    /**
     * 条件查询+分页
     *
     * @param whereMap
     * @param page
     * @param size
     * @return
     */
    public Page<User> findSearch(Map whereMap, int page, int size) {
        Specification<User> specification = createSpecification(whereMap);
        PageRequest pageRequest = PageRequest.of(page - 1, size);
        return userDao.findAll(specification, pageRequest);
    }

    /**
     * 条件查询
     *
     * @param whereMap
     * @return
     */
    public List<User> findSearch(Map whereMap) {
        Specification<User> specification = createSpecification(whereMap);
        return userDao.findAll(specification);
    }

    /**
     * 根据ID查询实体
     *
     * @param id
     * @return
     */
    public User findById(String id) {
        return userDao.findById(id).get();
    }

    /**
     * 增加
     *
     * @param user
     */
    public void add(User user) {
        user.setId(idWorker.nextId() + "");
        userDao.save(user);
    }

    /**
     * 修改
     *
     * @param user
     */
    public void update(User user) {
        userDao.save(user);
    }

    /**
     * 删除
     *
     * @param id
     */
    public void deleteById(String id) {
        userDao.deleteById(id);
    }

    /**
     * 动态条件构建
     *
     * @param searchMap
     * @return
     */
    private Specification<User> createSpecification(Map searchMap) {

        return new Specification<User>() {

            @Override
            public Predicate toPredicate(Root<User> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
                List<Predicate> predicateList = new ArrayList<Predicate>();
                //手机号码
                if (searchMap.get("mobile") != null && !"".equals(searchMap.get("mobile"))) {
                    predicateList.add(cb.like(root.get("mobile").as(String.class), "%" + (String) searchMap.get("mobile") + "%"));
                }
                //密码
                if (searchMap.get("password") != null && !"".equals(searchMap.get("password"))) {
                    predicateList.add(cb.like(root.get("password").as(String.class), "%" + (String) searchMap.get("password") + "%"));
                }
                //昵称
                if (searchMap.get("nickname") != null && !"".equals(searchMap.get("nickname"))) {
                    predicateList.add(cb.like(root.get("nickname").as(String.class), "%" + (String) searchMap.get("nickname") + "%"));
                }
                //性别
                if (searchMap.get("sex") != null && !"".equals(searchMap.get("sex"))) {
                    predicateList.add(cb.like(root.get("sex").as(String.class), "%" + (String) searchMap.get("sex") + "%"));
                }
                //出生年月日
                if (searchMap.get("birthday") != null && !"".equals(searchMap.get("birthday"))) {
                    predicateList.add(cb.like(root.get("birthday").as(String.class), "%" + (String) searchMap.get("birthday") + "%"));
                }
                //头像
                if (searchMap.get("avatar") != null && !"".equals(searchMap.get("avatar"))) {
                    predicateList.add(cb.like(root.get("avatar").as(String.class), "%" + (String) searchMap.get("avatar") + "%"));
                }
                //E-Mail
                if (searchMap.get("email") != null && !"".equals(searchMap.get("email"))) {
                    predicateList.add(cb.like(root.get("email").as(String.class), "%" + (String) searchMap.get("email") + "%"));
                }
                //注册日期
                if (searchMap.get("regdate") != null && !"".equals(searchMap.get("regdate"))) {
                    predicateList.add(cb.like(root.get("regdate").as(String.class), "%" + (String) searchMap.get("regdate") + "%"));
                }
                //修改日期
                if (searchMap.get("updatedate") != null && !"".equals(searchMap.get("updatedate"))) {
                    predicateList.add(cb.like(root.get("updatedate").as(String.class), "%" + (String) searchMap.get("updatedate") + "%"));
                }
                //最后登陆日期
                if (searchMap.get("lastdate") != null && !"".equals(searchMap.get("lastdate"))) {
                    predicateList.add(cb.like(root.get("lastdate").as(String.class), "%" + (String) searchMap.get("lastdate") + "%"));
                }
                //在线时长（分钟）
                if (searchMap.get("online") != null && !"".equals(searchMap.get("online"))) {
                    predicateList.add(cb.like(root.get("online").as(String.class), "%" + (String) searchMap.get("online") + "%"));
                }
                //兴趣
                if (searchMap.get("interest") != null && !"".equals(searchMap.get("interest"))) {
                    predicateList.add(cb.like(root.get("interest").as(String.class), "%" + (String) searchMap.get("interest") + "%"));
                }
                //个性
                if (searchMap.get("personality") != null && !"".equals(searchMap.get("personality"))) {
                    predicateList.add(cb.like(root.get("personality").as(String.class), "%" + (String) searchMap.get("personality") + "%"));
                }
                //粉丝数
                if (searchMap.get("fanscount") != null && !"".equals(searchMap.get("fanscount"))) {
                    predicateList.add(cb.like(root.get("fanscount").as(String.class), "%" + (String) searchMap.get("fanscount") + "%"));
                }
                //关注数
                if (searchMap.get("followcount") != null && !"".equals(searchMap.get("followcount"))) {
                    predicateList.add(cb.like(root.get("followcount").as(String.class), "%" + (String) searchMap.get("followcount") + "%"));
                }

                return cb.and(predicateList.toArray(new Predicate[predicateList.size()]));
            }
        };
    }


    @Autowired
    private RedisTemplate redisTemplate;

    @Autowired
    private RabbitMessagingTemplate rabbitMessagingTemplate;

    public void sendsms(String mobile) {

        // 随机生成一个验证码
        String code = RandomStringUtils.randomNumeric(6);

        redisTemplate.opsForValue().set("user_" + mobile, code);


        Map data=new HashMap();
        data.put("mobile",mobile);
        data.put("code",code);

        System.out.println(data);
        rabbitMessagingTemplate.convertAndSend("sms",data);
        System.out.println("是异步的吗？");
    }

    public void save(User user) {

        user.setId(idWorker.nextId()+"");

        user.setFollowcount(0);//关注数
        user.setFanscount(0);//粉丝数
        user.setOnline(0L);//在线时长
        user.setRegdate(new Date());//注册日期
        user.setUpdatedate(new Date());//更新日期
        user.setLastdate(new Date());//最后登陆日期

        user.setPassword(encoder.encode(user.getPassword()));

        userDao.save(user);

        redisTemplate.delete("user_"+user.getMobile());
    }

    public User findByMobile(String mobile) {
        return userDao.findByMobile(mobile);
    }
}
